Seiko Cal. 3821 - 251

This Spring Drive model from 1991 features a 40mm Titanium case. It features a Green dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-b84e02f027f0]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1991

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